<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>产品摘要作业</title>
		<script src="js/main.js"></script>
	</head>
	<body>
		<input type="text" placeholder="用户名" id="ipt"/>
		<p id="info"></p>
	</body> 
</html>
